*{
	margin: 0;
	padding: 0;
	list-style: none;
}
.know{
	width: 100%;
	height: 800px;
	margin-top: 20px;
}
.know_cont{
	width: 1200px;
	height: 800px;
	margin: 0 auto;
}
/*.small{
	font-size: 14px;
}*/
.case_under,
.case_cont{
	width: 1200px;
	height: 750px;
	margin-top: 30px;
}

.case_under li,
.case_cont li{
	width: 570px;
	height: 150px;
	float: left;
	margin-left: 30px;
	margin-top: 30px;
	background: #f9f9f9;
	cursor: pointer;
	transition: all 0.3s ease-out 0s;
}
.know_cont li:hover p{
	color: white;
}
.case_under li:hover p{
	color: white;
}
.case_under li:hover{
	background: #005bac;
	color: white;
}
.case_cont li:hover{
	background: #005bac;
	color: white;
}
.case_under li img,
.case_cont li img{
	width: 180px;
	height: 120px;
	margin-top: 15px;
	margin-left: 10px;
	float: left;
}
.case_right{
	width: 350px;
	height: 120px;
	float: left;
	position: relative;
	margin-top: 15px;
	margin-left: 20px;
}
.answer,
.time{
	font-size: 12px;
	color: gray;
}
.more{
	font-size: 14px;
	position: absolute;
	right: 10px;
	bottom: -5px;
}
.jia_1{
	width: 1200px;
	height: 60px;
	margin: 0 auto;
}
.jia_2{
	width: 1200px;
	margin: 0 auto;
}
.jia{
	width: 60px;
	height: 60px;
	background: blueviolet;
	color: white;
	text-align: center;
	line-height: 60px;
	font-size: 24px;
	border-radius: 50%;
	margin-left: 585px;
	cursor: pointer;
	animation: bounce  1s ease 0s infinite;	
}
/*.jia:hover{
	
	animation: shake 2s ease 0s infinite;
}*/
